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Renata Maria Dart wrote:
> Hi, we upgraded our AFS server keys this morning and things went
> smoothly for our unix clients, but we are seeing some problems with
> authentication on our windows clients....windows users login to their
> windows systems (some running OpenAFS 1.4.0, not sure what others are
> running), the system says they have a token, but then a short time
> later or maybe when they actually go to access a file in AFS, their
> token gets discarded. Any ideas about what is going on and what we
> can do to get the windows people working again? I should mention
> that we are running kerberos 5 here as well, so the server key
> update involved the KeyFile and the kdc.
>> Thanks,
>> Renata
Are you sure the clients are getting new Kerberos 5 service tickets?
If they are still using the service tickets they obtained prior to
the upgrade, executing 'aklog' a second or third time will use the
same key.
Make sure the users are actually obtaining a new TGT before they
attempt to obtain the AFS tokens.
You can use the "kvno" utility on the clients to find out what the
key version number is of the afs service ticket. Make sure that
the key version number matches the one the servers are expecting.
Also make sure that the KDC's are not issuing service tickets with
enctypes that are not supported by your AFS servers.
OpenAFS servers prior to 1.4.0 only support DES-CBC-CRC.
Jeffrey Altman
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